Note:Usingaria-hidden="false"on content that is a descendent of an element that is hidden usingaria-hidden="true"will NOT expose that content to the accessibility API and it will not be accessible to screen readers or other assistive technologies. The rule applies to any element with anaria-...
Aria-hidden, on the other hand, is an enumerated attribute with a limited set of values. If the aria-hidden attribute is present, it must have a value of "true" or "false." We must remove the attribute entirely if we want the "undefined (default)" state.Example...
if any sibling elements/containers already have aria-hidden, stores that value when the dialog is opened and restores it after the dialog is closed (prevents that on closing the dialog all of a sudden other things that were already meant to be/stay aria-hidden suddenly become unhidden) remove...
looks like the element also has an aria-hidden=true on it, meaning that element isn't exposed to the a11y tree anyway. so, the aria-label on the i element is absolutely pointless as long as that aria-hidden attribute is there. Sign up for free to join this conversation on GitHub. Al...
>x Run Code Online (Sandbox Code Playgroud) 验证的ARIA导航示例(请参阅注释). <!doctype html> ARIA Example <!-- More HTML that makes up your document --> <!-- We apply the role navigation on the nav element to help older browsers, of course the nav element already has the ARIA...
// toggle code omitted for brevity menu.setAttribute("aria-hidden", true); Here, you merely keep the aria-hidden property in sync with the menu's state. This is only a very brief illustration of how and where ARIA attributes would be added. Issues about how to preserve the widge...
the task is not too hard. Just addaria-hidden="true"to the webpage content element while the modal dialog is visible then remove it when the dialog is dismissed. But if the modal dialog element is a descendant of an element whose contents need to be hidden, you can’t use that approac...
aria-hidden=falseisnot mappedin any browser that supports aria-hidden, thus its use has no meaning or in other words has the same meaning as its absence. CSS display:none As mentioned, the standard method to hide content from all users in browsers that support CSS is and has been to use...
Usingaria-hiddenInappropriately What to Avoid While there are good use cases for hiding elements or web functionality from a screen reader, use care when doing this. When usingaria-hidden=“true”on an element, make sure it is not a focusable element. For example, usingaria-hidden=“true”on...
[aria-invalid=true] {border : 2px solid red;} Accessible Name The name of a user interface element. The value of the accessible name may be derived from a visible (e.g., the visible text on a button) or invisible (e.g., the text alternative that describes an icon) property of the...